No-through-traffic not correctly applied to edges split by parking lot entrances

[leonardehrenfried]

When calculating an entrance for a parking lot the no-through-traffic flag is not correctly transferred to the split edge. In central Herrenberg, this leads to a unroutable island:

You can check it out in the OTP debug view: https://api.stadtnavi.de/?module=planner&fromPlace=48.598429974604954%2C8.869560956954956&toPlace=48.59410873558409%2C8.86598825454712&time=3%3A21pm&date=09-30-2021&mode=TRANSIT%2CWALK&maxWalkDistance=4828.032&arriveBy=false&wheelchair=false&debugItineraryFilter=false&locale=en&itinIndex=0

Or in Stadtnavi: https://herrenberg.stadtnavi.de/reiseplan/Stadthalle%2C%20Seestra%C3%9Fe%2029%2C%2071083%20Herrenberg%3A%3A48.5984172%2C8.869510785793388/M%C3%B6nchberg%2C%2071083%20Herrenberg%3A%3A48.5823984%2C8.9137785?time=1632929389

The way that is split incorrectly is: https://www.openstreetmap.org/way/401759693